(a) What is Colotrum?

(b) Draw and label the transverse section of an egg.

(c) Complete this table on Law of Diminishing Returns

(i) — (ii) 3kg (ii) 11kg (iv) 28kg (v) 40kg (vi) 8kg (vii) 1 kg (viii) 0kg

The diagram below illustrates an experimental set-up in soil analysis. Study it carefully and answer the questions that follow.

(a) State the aim of the illustrated experiment. 

(b) Name the part labelled I, II, III and IV.   

(c)  A fresh sample of soil weighed 60 g. A container weighing 35 g was used to dry the soil. If both the soil and the container weighed 80 g after the experiment, determine the:
(i) weight of the dried soil; 
(ii) weight of the water lost from the soil; 
(iii) percentage of water lost from the soil.  

(d) List three forms in which water exists in the soil. 

The plan below represents the survey of a farm. Use it to answer questions (a) and  (b).

(a)  Calculate the area of the farmland.                                   

(b)  If the farmland is planted with banana at a spacing of 4 m x 4 m, what will be the population of banana plants on the farm?                   

(c)  Study the diagrams labelled I and II below and answer the questions that follow.

(i)   Name the tools labelled I and II.                                                                           
(ii)  State two uses of each of the tools labelled I and II.                                                 

(iii)  State one general way of maintaining the tools labelled I and II.                                    

The diagrams below illustrate pests of crops. Study them and answer the questions that follow.

(a)  Name each of the pests labelled I, II and III.                     

(b)  Describe the life cycle of the pest labelled I.                        

(c)  State four damages caused by the pest labelled III on crops.                   

(d)  Enumerate four ways of controlling the pest labelled IV.     

The diagram below illustrates the reproductive parts of livestock. Study it carefully and answer the questions that follow.

(a)  Name the parts labelled I, II, III, IV, V and VI.                      

(b)  State one function of each of the parts labelled I, II, III, IV, V and VI.                      

(c)  To prevent indiscriminate mating in the herd, a farmer decided to carry out a management practice to alter the functioning of the parts illustrated above.

(i)  Name the management practice.                                      
(ii) Name the two main parts of the illustrated diagram that would be of utmost benefit to the farmer in carrying out the management practice named in  (c)(i).